Learn How to Spot Corner Mate: Mate in 1
This puzzle is a classic middlegame tactical finish from the Queens Gambit Declined family, where king safety matters more than material count. Even though White is materially ahead, the real story is the exposed king and the cramped coordination around it. In positions like this, a single forcing move can end the game immediately if the enemy king has no escape squares and key defenders are overloaded or pinned.